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unpack_k_bits_bb.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2006,2013 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
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21  */
22 
23 #ifndef INCLUDED_GR_UNPACK_K_BITS_BB_H
24 #define INCLUDED_GR_UNPACK_K_BITS_BB_H
25 
26 #include <gnuradio/blocks/api.h>
28 
29 namespace gr {
30  namespace blocks {
31 
32  /*!
33  * \brief Converts a byte with k relevent bits to k output bytes with 1 bit in the LSB.
34  *
35  * This block picks the K least significant bits from a byte, and expands
36  * them into K bytes of 0 or 1.
37  *
38  * Example:
39  * k = 4
40  * in = [0xf5, 0x08]
41  * out = [0,1,0,1, 1,0,0,0]
42  * \ingroup byte_operators_blk
43  */
45  {
46  public:
47  // gr::blocks::unpack_k_bits_bb::sptr
48  typedef boost::shared_ptr<unpack_k_bits_bb> sptr;
49 
50  /*!
51  * \brief Make an unpack_k_bits block.
52  * \param k number of bits to unpack.
53  */
54  static sptr make(unsigned k);
55  };
56 
57  } /* namespace blocks */
58 } /* namespace gr */
59 
60 #endif /* INCLUDED_GR_UNPACK_K_BITS_BB_H */
boost::shared_ptr< unpack_k_bits_bb > sptr
Definition: unpack_k_bits_bb.h:48
synchronous 1:N input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_interpolator.h:37
Include this header to use the message passing features.
Definition: logger.h:131
#define BLOCKS_API
Definition: gr-blocks/include/gnuradio/blocks/api.h:30
Converts a byte with k relevent bits to k output bytes with 1 bit in the LSB.
Definition: unpack_k_bits_bb.h:44